HAKUTO CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 229
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293
 
  
 
C12P FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 297
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161
 
  
 
C07H SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS 198
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
C10M LUBRICATING COMPOSITIONS 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8551364 Process for inhibiting polymerization of an aromatic vinyl compoundJun 20, 12Oct 08, 13[C09K, C08F, C07D]
8309109 Cosmetic and method for production thereofJun 29, 07Nov 13, 12[A61K]
8246858 Process for inhibiting polymerization of an aromatic vinyl compoundMar 23, 07Aug 21, 12[C09K, C10M, C07C, C07B]
7202391 Process for inhibiting polymerization of an aromatic vinyl compoundApr 18, 02Apr 10, 07[C10G]
5378832 Polysaccharide and a method of producing itJul 20, 93Jan 03, 95[C12P, C12N, C08B, B01F]
5175279 Polysaccharide, and water absorbent, moisture absorbent or humectant and thickening agent chiefly made of the polysaccharideJul 25, 91Dec 29, 92[C07H, C12P, C08B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0324,658 Cosmetic and Method for Production ThereofAbandonedJun 26, 07Dec 31, 09[A61K, A61Q]
2008/0200,616 Method of Inhibiting Polymerization Giving Copolymer of Divinylbenzene and Aromatic Vinyl CompoundAbandonedNov 14, 05Aug 21, 08[C08F]
2008/0173,560 Glass Substrate Storage Case, Glass Substrate Transfer Apparatus, Glass Substrate Management Apparatus, Glass Substrate Distribution Method , Sealing Member, And Sealing StructureAbandonedSep 09, 05Jul 24, 08[H01L, B07C, B65D]
2008/0031,906 Cosmetic Composition and Method for Producing the SameAbandonedSep 02, 05Feb 07, 08[A61K, A61Q]
2006/0266,734 Device, method, and system for pattern formingAbandonedDec 09, 03Nov 30, 06[C03C, B44C, H05K]
2006/0163,539 Polymerization inhibitor for aromatic vinyl compounds and method for inhibiting the polymerization of the compoundsAbandonedMar 17, 04Jul 27, 06[C09K, C07C]
6740528 Method for measuring concentration of stable free radical compoundExpiredAug 30, 01May 25, 04[G01N]
5409571 Scale deposit inhibitor for kraft digesters and method for controlling scale deposition in kraft digestersExpiredFeb 01, 94Apr 25, 95[D21C]
5154277 Electronic parts separation mechanismExpiredJan 22, 92Oct 13, 92[B65G]
4800611 Plate cleaning apparatus and cleaning roller thereforExpiredApr 15, 87Jan 31, 89[B08B]
4743325 Method of sticking film sheet on panel surfaceExpiredSep 17, 86May 10, 88[B32B]
4722629 Adaptor for electronic element stickExpiredJul 08, 86Feb 02, 88[F16D]
4659419 Laminator for sticking film sheet on panel surfaceExpiredMay 01, 84Apr 21, 87[B32B]
4264397 Apparatus for sticking nonconductive tape having plating perforations to sheet metalExpiredSep 26, 79Apr 28, 81[B65H]

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